| Official Name: | Elesun |
| Native Name: | Элэсун |
| Settlement Type: | Selo |
| Pushpin Map: | Russia Buryatia#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Republic of Buryatia |
| Subdivision Name3: | Kurumkansky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +8:00 |
| Coordinates: | 54.0167°N 115°W[1] |
Elesun (Russian: Элэсун; Buriat: Элһэн, Elhen) is a rural locality (a selo) in Kurumkansky District, Republic of Buryatia, Russia. The population was 583 as of 2010.[2] There are 11 streets.
Elesun is located 40 km southwest of Kurumkan (the district's administrative centre) by road. Baragkhan is the nearest rural locality.[3]